Spectrumize - Spectrum-efficient Satellite Networks for IoT

Explore a groundbreaking conference talk on spectrum-efficient satellite networks for the Internet of Things presented at NSDI '24. Delve into the challenges and solutions for space-to-Earth communication in Low Earth Orbit satellite constellations, focusing on providing connectivity to low-power outdoor IoT devices. Learn about the innovative Spectrumize system, which leverages Doppler shift as a unique signature for packet detection and decoding in challenging conditions. Discover how this new approach outperforms classic methods, achieving 3x better performance with over 80% average accuracy in decoding. Gain insights into the future of global IoT connectivity through pico-satellites and the techniques used to overcome low link budgets, satellite motion, and packet collisions.